package file;

import java.io.File;
import java.io.IOException;

public class CreateNewFileDemo {
    public static void main(String[] args) throws IOException {
        File file=new File("e:/test.txt");
        if (file.exists()){
            System.out.println("该文件已存在！");
        }else{
            file.createNewFile();
            System.out.println("文件已创建！");
        }
        long length=file.length();

    }}
